Lewis Hamilton’s shock reveal that he would be joining Ferrari in 2025 earlier this year mimicked what happened when he announced he was leaving McLaren to join Mercedes in 2012. The consensus over the move was that it was a big mistake, given McLaren’s extensive resources and proven title-winning pedigree that went back decades in F1. Mercedes had so far failed to capitalise on the momentum from the Brawn GP success story in 2009, and were left picking up the odd race win while Ferrari, Red Bull and McLaren took all the glory. Behind the scenes, there was something else going on. Lewis Hamilt…